Some Vivitar DVR 510HD digital camcorders. They have 2 GB of built-in memory, are compatible with Windows XP and above, or Macintosh with Intel processor running Mac OSXV10.4.6 or later. They are powered by 4x AAA alkaline batteries and can be augmented with SD memory cards up to 8 GB.
They appear to be quite simple to use so here’s hoping we catch more strange things on our investigations as the aim is for each team to have one. I’ll let you know how we get on….